@inproceedings{Leivant_1983,
    doi = {10.1109/sfcs.1983.50},
    url = {https://doi.org/10.1109%2Fsfcs.1983.50},
    year = {1983},
    month = {nov},
    publisher = {{IEEE}},
    author = {Daniel Leivant},
    title = {Reasoning about functional programs and complexity classes associated with type disciplines},
    booktitle = {24th Annual Symposium on Foundations of Computer Science (sfcs 1983)}
}

@inproceedings{Leivant_1983, doi = {10.1109/sfcs.1983.50}, url = {https://doi.org/10.1109%2Fsfcs.1983.50}, year = {1983}, month = {nov}, publisher = {{IEEE}}, author = {Daniel Leivant}, title = {Reasoning about functional programs and complexity classes associated with type disciplines}, booktitle = {24th Annual Symposium on Foundations of Computer Science (sfcs 1983)} }